{"id":"CVE-2026-5374","state":"PUBLISHED","title":"runZero Platform MCP information leak","description":"An issue that allowed MCP agents to access remediation and asset information from outside of the authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N (5.8 Medium). This issue was fixed in version 4.0.260202.0 of the runZero Platform.","publishedAt":"2026-04-07T14:10:36.244Z","updatedAt":"2026-04-07T14:50:26.053Z","severity":{"score":5.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N","source":"runZero"},"assigner":"runZero","products":["runZero Platform"],"affected":[{"vendor":"runZero","product":"Platform","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.0.260202.0","versionType":"semver"}]}],"references":["https://help.runzero.com/docs/release-notes/#402602020","https://www.runzero.com/advisories/runzero-platform-mcp-infoleak-cve-2026-5374/"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/5xxx/CVE-2026-5374.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5374","state":"PUBLISHED","datePublished":"2026-04-07T14:10:36.244Z","dateUpdated":"2026-04-07T14:50:26.053Z","assignerShortName":"runZero","assignerOrgId":"44488dab-36db-4358-99f9-bc116477f914","dateReserved":"2026-04-01T19:51:12.402Z"},"containers":{"cna":{"title":"runZero Platform MCP information leak","descriptions":[{"lang":"en","value":"An issue that allowed MCP agents to access remediation and asset information from outside of the authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N (5.8 Medium). This issue was fixed in version 4.0.260202.0 of the runZero Platform."}],"affected":[{"vendor":"runZero","product":"Platform","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.0.260202.0","versionType":"semver"}]}],"references":[{"url":"https://help.runzero.com/docs/release-notes/#402602020","tags":["release-notes"]},{"url":"https://www.runzero.com/advisories/runzero-platform-mcp-infoleak-cve-2026-5374/","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":5.8,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"runZero","orgId":"44488dab-36db-4358-99f9-bc116477f914","dateUpdated":"2026-04-07T14:10:36.244Z"},"datePublic":"2026-04-07T14:00:00.000Z","solutions":[{"lang":"en","value":"This issue was fixed in version 4.0.260202.0 of the runZero Platform","supportingMedia":[{"type":"text/html","base64":false,"value":"This issue was fixed in version&nbsp;4.0.260202.0 of the runZero Platform"}]}],"credits":[{"lang":"en","value":"runZero","type":"finder"}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-5374","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-04-07T14:31:36.829367Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-07T14:50:26.053Z"}}]}}}